If a client is having issues connecting to our Web API at (LTL Resources - Magnum Companies (magnumlog.com)) and they are using the Postman application, they are likely running into two main issues.
1. Not properly encasing their request within a SOAP envelope.
2. Having the XML content type set to "Application" instead of "Text."
1a. Soap Envelope Example
<SOAP-ENV:Envelope
xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<SOAP-ENV:Body>
....
<process>
</process>
....
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>
Error Statement:
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2a. Verifying Content type is set to "Text"
Error Statement: